new con rod kit

verastwin · Derestricted Danger Joined: 17 Nov 2006 Karma :

hi if you have read my previous thread you will know that i have recently purchased an aprilia rs125 extrema. i have completetly dismantled the engine and replaced all of the bearings inc the mains. i ahve checked the amount of side to side movement on the conrod to shims and it is 1.5mm. according to my less than friendly local dealer it should be less than this . can somebody tell what it should be and also a good place to purchase a conrod kit if i need it.

thanks

Paddy Blake · World Chat Champion Joined: 29 Jun 2006 Karma :

Are you sure it is 1.5mm that sound like 5 times what it should be.
But i will see if i can find out if no one knows.

Paddy.

NSR Mick · World Chat Champion Joined: 26 Jun 2005 Karma :

If thats the case you'll more than likely need to find someone to split the crank and then press it back together within tolerance.
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If you dont like the way that I ride.......Stop trying to keep up!!!

verastwin · Derestricted Danger Joined: 17 Nov 2006 Karma :

i have double checked and it is deffinitely 1.5mm. there seems to be no up/down movement from the bearing just side to side. seems like i will need a conrod kit .

Pete. · Super Spammer Joined: 22 Aug 2006 Karma :

I wouldn't be worried about riding that, while you are waiting for your new kit to arrive. If there was up/down play then it would be a problem but side/side I've done many miles with a 2 stroke way out of tolerance that way.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy

verastwin · Derestricted Danger Joined: 17 Nov 2006 Karma :

i spoke to a company called stan stephens and he told me the clearance should be no more than 0.5mm and i would be silly to put the crank back in with it the way ot is, so all i need now is to find a good place to buy a conrod kit from

Pete. · Super Spammer Joined: 22 Aug 2006 Karma :

Stan Stephens know his stuff. If said it was silly, then it was silly Thumbs Up

I would still use it though Very Happy

____________________
a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good Very Happy

verastwin · Derestricted Danger Joined: 17 Nov 2006 Karma :

i have had the crank all done and now have the engine completely rebuilt and sitting in the bike. was it worth doing - definitely - it starts straight away , is very quiet and is very responsive. all i have to do now is run it in for 500 miles and then i will get a powervalve (if i got one now i would be too tempted to twist the right hand too far)